In the changing world of publishing, printed picture books for pre-school children are still in demand. All sorts of lessons are tackled, from potty training to the reasons why one needs to wear clothes to kindergarten. With all that a parent much teach, why have a tool that encourages pollution? While the message in Where Do Balloons Go? may be, as critics say, “beloved” and “important” when dealing with imagination and death, Jamie Lee Curtis could have come up with a better example to show kids to “let go.” Because had Ms. Curtis taken frequent walks through the woods like I do, she would know the ugliness of the true answer to her question.